In order to address this issue, we analyzed in a first attempt the endocytic sorting of FL- and SV-L1CAM following antibody-induced cell surface internalization.
Delayed cell surface internalization may actually provide an advantage by prolonging antigen presentation to augment CTL priming, a notion consistent with our previous observation that Δ7 mice consistently generated more vigorous antiviral CTL responses compared to KbWT mice [21].
One member of this family, the lectin XCL from Xerocomus chrysenteron, induces drastic changes in the actin cytoskeleton after sugar binding at the cell surface and internalization, and has potent insecticidal activity.
Targeting involves DDS delivery to the target site, initial physical contact, anchoring, residence on the cell surface or internalization, and excretion or storage.
Ubiquitination commonly drives cell-surface receptor internalization and lysosomal degradation [ 197].
The group showed that Bone Morphogenetic Protein 7, which is a cytokine known to have antifibrotic effect, prevented TGF- β-dependent lung myofibroblast differentiation by promoting cell-surface HA internalization and degradation by HYAL2 and CD44 variant isoform CD44V7/8 [ 70].
The synergistic effect of RAL and HAFi on keratinocyte CD44 expression might be due either to a combined effect of RAL and HAFi on CD44 gene transcription or to a presently unknown feedback mechanism in order to upregulate the cell surface CD44 for internalization and degradation of increased HA in interkeratinocyte spaces.
Nedd4-2 binds to and ubiquitinates ENaC at the cell surface, triggering its internalization and degradation [ 34].
Recent studies have shown that NHERF1 overexpression reduces surface ΔF508 CFTR internalization and can bring ΔF508 CFTR to the level of WT CFTR, correlating with the modulation of CFTR-NHERF1-ezrin-actin protein protein interactions.
Such cationic nanoparticles were prone to display efficient cell transfection properties as a result of increased contact to the anionic cell surface and internalization by endocytosis, low size compatible with improved intracellular diffusion and nuclear pore crossing, and the presence of amine function of low pKa for their endosomal escape.
